Airflow Instruments PAN341 PANDA Duct Leakage Tester


The Airflow Instruments PAN341 Positive and Negative Duct Accreditation (PANDA) Duct Leakage Tester provides contractors, commissioning engineers, and research & development technicians the best way to quantify air leakage in ductwork, as well as the ability to measure the performance of ducted systems. The PAN341 provides a fast, accurate, automated solution that enhances energy savings in buildings and helps  to ensure compliance with European standards like EN12237, EN1507, EN13779, EUROVENT 2/2 standards and with American standards like SMACNA, enhancing energy savings in buildings.


Learn how adding a PANDA to their fleet has helped one of our HVAC Commissioning customers.


SKU: TSIPAN341 Tags: , , ,



  • Positive and negative duct leakage testing in one rig
  • Energy savings by testing and minimising duct leaks
  • Accuracy is ± 2,5% of volume flow
  • Unique performance and fan speed control charge up of duct system to test static pressure within minutes
  • Fits in the back of vans and estate cars
  • Comes with standard Airflow TA465-P Multi-Function Instrument and PVM610 Micromanometer
  • Carry weight of 45kg (99lbs)


  • New building installations
  • Testing of existing installations


Setup & Operation

Operating the Airflow Instruments PANDA Duct Leakage Tester (2020)

Operating the PANDA Duct Leakage Tester (2013)


Airflow Instruments AFL72888001 PANDA Flow Verification Collar